海底光缆（Submarine Optical Fiber Cable） 是用绝缘材料包裹的导线，铺设在海底，用以设立国家之间的电信传输。海底光缆一般铺设于深海或者浅海，或者河道，不易于受损。
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A novel submarine optical fiber cable monitoring system based on BOTDR and sonar is proposed, and the method of measurement is also discussed.
文章提出了一种新的基于BOTDR和声纳的海底光缆事件监测系统，并讨论了其测量方法。
The submarine optical fiber cable construction from Fuqing to Haitan is an engineering project to enhance the communication between Haitan Island and mainland.
海坛海峡海底光缆建设是一项加强海坛岛与大陆之间通信的工程。
This paper firstly introduced the composing of submarine optical fiber cable system, and then analyzed mostly ingredient that influences its security in transmission line and information.
本文研究一种电小天线的新型补偿电路 ，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配 。
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